CVE-2017-0376
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
The hidden-service feature in Tor before 0.3.0.8 allows a denial of service (assertion failure and daemon exit) in the connection_edge_process_relay_cell function via a BEGIN_DIR cell on a rendezvous circuit.
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| arch | fixed | 0.3.0.8-1 | |
| debian | 8.0 | affected | |
| debian | 9.0 | affected | |
| debian | bookworm | fixed | 0.2.9.11-1 |
| debian | bullseye | fixed | 0.2.9.11-1 |
| debian | forky | fixed | 0.2.9.11-1 |
| debian | sid | fixed | 0.2.9.11-1 |
| debian | trixie | fixed | 0.2.9.11-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| torproject | tor | {"endExcluding":"0.3.0.8"} | 0.3.0.8 |
References
- https://security.archlinux.org/ASA-201706-13
- http://www.debian.org/security/2017/dsa-3877
- https://github.com/torproject/tor/commit/56a7c5bc15e0447203a491c1ee37de9939ad1dcd
- https://lists.torproject.org/pipermail/tor-announce/2017-June/000131.html
- https://trac.torproject.org/projects/tor/ticket/22494
- https://www.suse.com/security/cve/CVE-2017-0376.html
- https://security-tracker.debian.org/tracker/CVE-2017-0376
CWEs
CWE-617
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.